Measurements:
°C
°F
Marquette
18°F
SE 7 mph
Feels like: 6°F
Precip: 100%
World Resorts USA Marquette Weather

Marquette Sea Water Temperature

Current Sea Water Temperature:
+31.2°F
Maximum Sea Water Temperature in February: 34.4°F
Minimum Sea Water Temperature in February: 30.4°F
Average water temperature in February: 31.7°F

Sea Water Temperature for the Last 10 Days:

February 21 31.2°F February 16 31.0°F
February 20 31.4°F February 15 31.0°F
February 19 31.4°F February 14 31.0°F
February 18 31.4°F February 13 30.8°F
February 17 31.6°F February 12 30.8°F

When is the Warmest Sea for Marquette?

According to our data for the last three years for Marquette the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Marquette was 67.7°F. The maximum and minimum values were 64.0°F and 71.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Marquette was 63.0°F. The maximum and minimum values were 59.4°F and 65.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Marquette was 62.0°F. The maximum and minimum values were 51.2°F and 70.2°F respectively.

Best Time to Visit Marquette
The most sunny months:
July 14 days
September 13 days
August 13 days
The most warm months:
August 72.8 °F
July 72.1 °F
September 67.2 °F
Warmest sea temperature:
August 67.8 °F
September 63.6 °F
July 61.9 °F
The most cold months:
January 18.8 °F
February 20.2 °F
December 25.3 °F
The most rainy months:
August 3 days
June 2 days
April 2 days
The most windy months:
November 11 mph
March 11 mph
February 11 mph

Marquette on the Weather Map

USA Resorts:
NAME
Chicago +28
Hawaii +72
Honolulu +72
Houston +74
Las Vegas +34
Los Angeles +40
Maui +66
Miami +74
Miami Beach +78
New York +38
San Diego +44
San Francisco +42
Sarasota +68
Tampa +70
Washington +38
24 Hours Weather Forecast
Marquette
Local time: 08:20
21 feb, saturday
0900 18°F
SE
7 mph
1200 22°F
SE
6 mph
1500 24°F
SE
6 mph
1800 20°F
S
7 mph
2100 16°F
S
6 mph
22 feb, sunday
0000 16°F
SE
8 mph
0300 14°F
SE
8 mph
0600 14°F
SE
9 mph